./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_42-traces-ex-mini_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_42-traces-ex-mini_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 00:16:44,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 00:16:44,618 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 00:16:44,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 00:16:44,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 00:16:44,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 00:16:44,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 00:16:44,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 00:16:44,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 00:16:44,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 00:16:44,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 00:16:44,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 00:16:44,650 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 00:16:44,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 00:16:44,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 00:16:44,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 00:16:44,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 00:16:44,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 00:16:44,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 00:16:44,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 00:16:44,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 00:16:44,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 00:16:44,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 00:16:44,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 00:16:44,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 00:16:44,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 00:16:44,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 00:16:44,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 00:16:44,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 00:16:44,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 00:16:44,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:16:44,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 00:16:44,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 00:16:44,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 00:16:44,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 00:16:44,660 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 00:16:44,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 00:16:44,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 00:16:44,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 00:16:44,661 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 00:16:44,661 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 00:16:44,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-08 00:16:44,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 00:16:44,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 00:16:44,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 00:16:44,921 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 00:16:44,922 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 00:16:44,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_42-traces-ex-mini_true.yml/witness.yml [2024-09-08 00:16:45,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 00:16:45,007 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 00:16:45,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-09-08 00:16:46,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 00:16:46,595 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 00:16:46,595 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-09-08 00:16:46,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/942af6436/a7f9d76723db45eca4071070c21eca5b/FLAGfa27250a5 [2024-09-08 00:16:46,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/942af6436/a7f9d76723db45eca4071070c21eca5b [2024-09-08 00:16:46,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 00:16:46,971 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 00:16:46,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 00:16:46,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 00:16:46,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 00:16:46,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:16:45" (1/2) ... [2024-09-08 00:16:46,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fdba261 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:46, skipping insertion in model container [2024-09-08 00:16:46,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:16:45" (1/2) ... [2024-09-08 00:16:46,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4684d7c7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:46, skipping insertion in model container [2024-09-08 00:16:46,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:16:46" (2/2) ... [2024-09-08 00:16:46,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fdba261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:46, skipping insertion in model container [2024-09-08 00:16:46,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:16:46" (2/2) ... [2024-09-08 00:16:47,004 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 00:16:47,005 INFO L1541 ArrayList]: Location invariant before [L697-L697] ! multithreaded || (g == 17 || g == 42) [2024-09-08 00:16:47,006 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-09-08 00:16:47,006 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-08 00:16:47,007 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 00:16:47,007 INFO L1541 ArrayList]: ghost_variable C_locked = 0 [2024-09-08 00:16:47,007 INFO L1541 ArrayList]: ghost_update [L691-L691] C_locked = 0; [2024-09-08 00:16:47,007 INFO L1541 ArrayList]: ghost_update [L687-L687] C_locked = 1; [2024-09-08 00:16:47,007 INFO L1541 ArrayList]: ghost_update [L689-L689] B_locked = 0; [2024-09-08 00:16:47,008 INFO L1541 ArrayList]: ghost_update [L699-L699] C_locked = 1; [2024-09-08 00:16:47,008 INFO L1541 ArrayList]: ghost_update [L696-L696] multithreaded = 1; [2024-09-08 00:16:47,008 INFO L1541 ArrayList]: ghost_update [L697-L697] A_locked = 1; [2024-09-08 00:16:47,008 INFO L1541 ArrayList]: ghost_update [L686-L686] B_locked = 1; [2024-09-08 00:16:47,009 INFO L1541 ArrayList]: ghost_update [L698-L698] B_locked = 1; [2024-09-08 00:16:47,009 INFO L1541 ArrayList]: ghost_update [L702-L702] B_locked = 0; [2024-09-08 00:16:47,009 INFO L1541 ArrayList]: ghost_update [L703-L703] C_locked = 0; [2024-09-08 00:16:47,009 INFO L1541 ArrayList]: ghost_update [L701-L701] A_locked = 0; [2024-09-08 00:16:47,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 00:16:47,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:16:47,327 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 00:16:47,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:16:47,453 INFO L204 MainTranslator]: Completed translation [2024-09-08 00:16:47,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47 WrapperNode [2024-09-08 00:16:47,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 00:16:47,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 00:16:47,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 00:16:47,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 00:16:47,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,491 INFO L138 Inliner]: procedures = 162, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-09-08 00:16:47,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 00:16:47,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 00:16:47,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 00:16:47,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 00:16:47,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 00:16:47,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 00:16:47,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 00:16:47,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 00:16:47,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (1/1) ... [2024-09-08 00:16:47,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:16:47,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:16:47,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 00:16:47,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 00:16:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 00:16:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 00:16:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-08 00:16:47,619 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-08 00:16:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 00:16:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 00:16:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 00:16:47,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 00:16:47,622 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 00:16:47,795 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 00:16:47,798 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 00:16:47,989 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 00:16:47,989 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 00:16:48,096 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 00:16:48,097 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 00:16:48,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:16:48 BoogieIcfgContainer [2024-09-08 00:16:48,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 00:16:48,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 00:16:48,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 00:16:48,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 00:16:48,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:16:45" (1/4) ... [2024-09-08 00:16:48,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efe5abe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:16:48, skipping insertion in model container [2024-09-08 00:16:48,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:16:46" (2/4) ... [2024-09-08 00:16:48,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efe5abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:16:48, skipping insertion in model container [2024-09-08 00:16:48,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:47" (3/4) ... [2024-09-08 00:16:48,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efe5abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:16:48, skipping insertion in model container [2024-09-08 00:16:48,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:16:48" (4/4) ... [2024-09-08 00:16:48,105 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2024-09-08 00:16:48,120 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 00:16:48,120 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-08 00:16:48,120 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 00:16:48,154 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 00:16:48,186 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:16:48,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 00:16:48,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:16:48,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 00:16:48,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 00:16:48,219 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 00:16:48,230 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 00:16:48,235 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19cc5c7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:16:48,236 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 00:16:48,320 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 00:16:48,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:16:48,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1924066297, now seen corresponding path program 1 times [2024-09-08 00:16:48,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:16:48,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504598206] [2024-09-08 00:16:48,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:16:48,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:16:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:16:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:16:48,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:16:48,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504598206] [2024-09-08 00:16:48,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504598206] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:16:48,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:16:48,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 00:16:48,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242347566] [2024-09-08 00:16:48,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:16:48,691 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 00:16:48,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:16:48,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 00:16:48,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 00:16:48,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:48,719 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:16:48,720 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 00:16:48,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:48,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:48,767 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 00:16:48,767 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 00:16:48,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:16:48,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1583065020, now seen corresponding path program 1 times [2024-09-08 00:16:48,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:16:48,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715591170] [2024-09-08 00:16:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:16:48,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:16:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:16:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:16:48,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:16:48,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715591170] [2024-09-08 00:16:48,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715591170] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:16:48,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:16:48,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 00:16:48,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512254437] [2024-09-08 00:16:48,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:16:48,827 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 00:16:48,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:16:48,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 00:16:48,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 00:16:48,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:48,829 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:16:48,829 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 00:16:48,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:48,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:48,864 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-08 00:16:48,864 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-08 00:16:48,865 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 00:16:48,870 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-08 00:16:48,872 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 00:16:48,872 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 00:16:48,874 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-08 00:16:48,874 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-08 00:16:48,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 12:16:48 BasicIcfg [2024-09-08 00:16:48,875 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 00:16:48,876 INFO L158 Benchmark]: Toolchain (without parser) took 1904.97ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 103.5MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:16:48,876 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:16:48,876 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 159.4MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:16:48,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.90ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 59.5MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-08 00:16:48,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.53ms. Allocated memory is still 159.4MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 00:16:48,877 INFO L158 Benchmark]: Boogie Preprocessor took 57.19ms. Allocated memory is still 159.4MB. Free memory was 57.4MB in the beginning and 129.6MB in the end (delta: -72.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-09-08 00:16:48,878 INFO L158 Benchmark]: RCFGBuilder took 544.32ms. Allocated memory is still 159.4MB. Free memory was 129.6MB in the beginning and 98.5MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-08 00:16:48,878 INFO L158 Benchmark]: TraceAbstraction took 776.03ms. Allocated memory is still 159.4MB. Free memory was 97.7MB in the beginning and 103.5MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:16:48,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 159.4MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.90ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 59.5MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.53ms. Allocated memory is still 159.4MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.19ms. Allocated memory is still 159.4MB. Free memory was 57.4MB in the beginning and 129.6MB in the end (delta: -72.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 544.32ms. Allocated memory is still 159.4MB. Free memory was 129.6MB in the beginning and 98.5MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 776.03ms. Allocated memory is still 159.4MB. Free memory was 97.7MB in the beginning and 103.5MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 104, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 104, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 133, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 104, unknown conditional: 0, unknown unconditional: 104] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29, Maximal queried relation: 1, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 23, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 104, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 104, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 104, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 133, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 104, unknown conditional: 0, unknown unconditional: 104] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 00:16:48,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-08 00:16:49,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE